81739782930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{512443}}^1$

素因数の和:512875

約数の個数: 64

約数和(自身を含む): 211782856320

約数和(自身を除く): 130043073390

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 409, 818, 1227, 2045, 2454, 4090, 5317, 6135, 10634, 12270, 15951, 26585, 31902, 53170, 79755, 159510, 512443, 1024886, 1537329, 2562215, 3074658, 5124430, 6661759, 7686645, 13323518, 15373290, 19985277, 33308795, 39970554, 66617590, 99926385, 199852770, 209589187, 419178374, 628767561, 1047945935, 1257535122, 2095891870, 2724659431, 3143837805, 5449318862, 6287675610, 8173978293, 13623297155, 16347956586, 27246594310, 40869891465, 81739782930]

約数ペア:

[(1, 81739782930), (2, 40869891465), (3, 27246594310), (5, 16347956586), (6, 13623297155), (10, 8173978293), (13, 6287675610), (15, 5449318862), (26, 3143837805), (30, 2724659431), (39, 2095891870), (65, 1257535122), (78, 1047945935), (130, 628767561), (195, 419178374), (390, 209589187), (409, 199852770), (818, 99926385), (1227, 66617590), (2045, 39970554), (2454, 33308795), (4090, 19985277), (5317, 15373290), (6135, 13323518), (10634, 7686645), (12270, 6661759), (15951, 5124430), (26585, 3074658), (31902, 2562215), (53170, 1537329), (79755, 1024886), (159510, 512443)]